<template>
  <view class="goods-item">
    <!-- 左侧的盒子 -->
    <view class="goods-item-left">
      <radio
        :checked="goods.goods_state"
        color="#C00000"
        v-if="showRadio"
        @click="radioClickHandler"
        style="transform:scale(0.7)"
      ></radio>
      <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
    </view>
    <!-- 右侧的盒子 -->
    <view class="goods-item-right">
      <!-- 商品名称 -->
      <view class="goods-name">{{ goods.goods_name }}</view>
      <view class="goods-info-box">
        <view class="goods-price">￥{{ goods.goods_price | tofixed }}</view>
        <uni-number-box
          :min="1"
          :value="goods.goods_count"
          @change="numChangeHandler"
          v-if="showNum"
        ></uni-number-box>
      </view>
    </view>
  </view>
</template>

<script>
export default {
  name: 'my-goods',
  props: {
    goods: {
      type: Object,
      default: {}
    },
    showRadio: {
      type: Boolean,
      // 默认情况下，不会展示 radio
      default: false
    },
    showNum: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      // 默认的图片
      defaultPic:
        'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
    }
  },
  methods: {
    // 这是 radio 组件的点击事件处理函数
    radioClickHandler() {
      this.$emit('radio-change', {
        goods_id: this.goods.goods_id,
        goods_state: !this.goods.goods_state
      })
    },
    // 监听到了 NumberBox 组件数量变化的事件
    numChangeHandler(val) {
      this.$emit('num-change', {
        goods_id: this.goods.goods_id,
        goods_count: val - 0
      })
    }
  },
  filters: {
    tofixed(num) {
      return Number(num).toFixed(2)
    }
  }
}
</script>

<style lang="scss">
.goods-item {
  display: flex;
  padding: 10px 5px;
  border-bottom: 1px solid #f0f0f0;

  .goods-item-left {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-right: 5px;

    .goods-pic {
      width: 100px;
      height: 100px;
    }
  }
  .goods-item-right {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
    }

    .goods-info-box {
      display: flex;
      justify-content: space-between;
      align-items: center;

      .goods-price {
        font-size: 16px;
        color: #c00000;
      }
    }
  }
}
</style>
